XML 51 R31.htm IDEA: XBRL DOCUMENT v3.8.0.1
Nature of Business and Organization (Tables)
12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Conversions of Stock
The following partnership units were exchanged for APAM Class A common stock during the year ended December 31, 2017:
 
Total Common Units Exchanged
Class A Common Units
Class B Common Units
Class E Common Units
Common units exchanged on March 6, 2017
206,770


206,770


Common units exchanged on May 5, 2017
474,127

50,000

404,127

20,000

Common units exchanged on August 8, 2017
317,281

133,073

45,238

138,970

Common units exchanged on November 8, 2017
293,049


211,812

81,237

Common units exchanged on December 29, 2017
180,970


180,970


Total Units Exchanged
1,472,197

183,073

1,048,917

240,207